81381085

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{10321}}^1$

素因数の和:10428

約数の個数: 16

約数和(自身を含む): 104045760

約数和(自身を除く): 22664675

約数列:

[1, 5, 19, 83, 95, 415, 1577, 7885, 10321, 51605, 196099, 856643, 980495, 4283215, 16276217, 81381085]

約数ペア:

[(1, 81381085), (5, 16276217), (19, 4283215), (83, 980495), (95, 856643), (415, 196099), (1577, 51605), (7885, 10321)]